package com.example.springboot_demo.service;

import com.example.springboot_demo.pojo.User;

import java.util.List;

/**
 * @BelongsProject: springboot_demo
 * @BelongsPackage: com.example.springboot_demo.service
 * @Author: 江岸
 * @CreateTime: 2020-07-28 14:05
 * @Description:
 */
public interface UserService {
    List<User> query();
    int add(User user);
}
